Vulnerability Details : CVE-2021-45429
Potential exploit
A Buffer Overflow vulnerablity exists in VirusTotal YARA git commit: 605b2edf07ed8eb9a2c61ba22eb2e7c362f47ba7 via yr_set_configuration in yara/libyara/libyara.c, which could cause a Denial of Service.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2021-45429
- cpe:2.3:a:virustotal:yara:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-45429
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 16 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-45429
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2021-45429
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-45429
-
https://github.com/VirusTotal/yara/issues/1616
Possible insecure pointer conversion in yr_set_configuration() leading to global-buffer-overflow · Issue #1616 · VirusTotal/yara · GitHubExploit;Third Party Advisory
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